Improvement in car-couplings



E. BOLM AN.& e. s. w. CLARKE. Improvement in Car-Couplings. No. 114,755. I Patented May16,1871-.;

Fla. ll.

ac 'dffim EDWARD BoLMAN-AND eEoReE SIMPSON WATSON oLARKE, OF HALIFAX,

' NO A sooTrA.

Letters Patent No. 114,755, dated May 16, 1871.

IMPROVEMENT IN CAR-COUPLINGS.

The Schedule referred to in these Letters Patent and mahing part of the same.

'Toall whom it may cancer-n Be it known-that we, EDWARD BoLMAN, bookkeeper, and GEORGE SIMPSON WATSON CLARKE, book-keeper, both of the city of Halifax, in the county of-Halifax, in the Province of Nova Scotia, have invented new and useful Improvements on Couplings for Railway Oars; and we do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawing, where-- Figure I represents ahside elevation of cars and couplings. 7

Figure II represents a side elevation of couplings.

Figure III represents a plan of couplings.

-Figure IV represents sectional elevation of couplings.

Thisinvention relates to improvements on car-couplings to render them self-acting in an inexpensive and a. pawl, 11, of the form shown in the drawing, provided with a hook, (I, at its end and a recess, 0, as delineated.

The inner extremity of the pawl is. provided with the projection f, and the tube at this point has a projection, g, preventing the pawl being raised more than the required amount.

The pawl is situated in a slot in the upper side of the body a, centrally and longitudinally with it.

the cars are coupled and being hauled is so clearly shown therein as to require no further explanation than to say that the line or cord 70 may be led to the top of the car, or to any other more suitable point, by pulleys or otherwise, as required.

\Vhen cars are to be coupled together both the" pawls will be in the position of-the pawl shown in sec-- tion in Fig. IV, the end of the link being placed in the recess 0 in one prior to the car being backed down .to connect; by this arrangement the link is held in a horizontal position by the weight of the pawl. When the end of the link in this position comes against the hook in the other coupling its curved inclined'outer surface causes it to rise and engage with the link. Vhcn it is desired to unconple the cars by the line It the hook d is raised .to the position shown in dotted lines in the figure.

Having now described the construction and operation of our invention, to which we have given the name of the BOLMAN and CLARK car-couplings,

WVhat we claim as our invention, and wish secured by Letters Patent, is as follows:

The body a, having the pawl c, providedwith the recess 6 for holding the link 2 in a horizontal position,

as described, and for the purpose set forth EDWARD BOLMAN. GEORGE SIMPSON WATSON CLARKE.

Witnesses:

CHARLES Lneen, CHARLES G. C. SIMPsoN. 

